Makefile

SHELL := /bin/bash
OS := $(shell uname | tr '[:upper:]' '[:lower:]')

GO_VARS := GO111MODULE=on GO15VENDOREXPERIMENT=1 CGO_ENABLED=0
BUILDFLAGS := ''

APP_NAME := pipeline
MAIN := cmd/pipeline/main.go

BUILD_DIR=build
PACKAGE_DIRS := $(shell go list ./...)
PKGS := $(subst  :,_,$(PACKAGE_DIRS))
PLATFORMS := windows linux darwin
os = $(word 1, $@)

IMAGE_NAME ?= jenkinsxio/prow-pipeline-controller
VERSION ?= $(shell cat VERSION)

GOMMIT_START_SHA ?= bd117413980c6f62ef9fa3361d532a164da8ac2a

FGT := $(GOPATH)/bin/fgt
GOLINT := $(GOPATH)/bin/golint
GOMMIT := $(GOPATH)/bin/gommit

.PHONY : all
all: linux test check ## Compiles, test and verifies source

.PHONY: $(PLATFORMS)
$(PLATFORMS):
	$(GO_VARS) GOOS=$(os) GOARCH=amd64 go build -ldflags $(BUILDFLAGS) -o $(BUILD_DIR)/$(APP_NAME) $(MAIN)

.PHONY : test
test: ## Runs unit tests
	$(GO_VARS) go test -v ./...

.PHONY : fmt
fmt: ## Re-formates Go source files according to standard
	@$(GO_VARS) go fmt ./...

.PHONY : clean
clean: ## Deletes the build directory with all generated artefacts
	rm -rf $(BUILD_DIR)

check: $(GOLINT) $(FGT) $(GOMMIT)
	@echo "LINTING"
	@$(FGT) $(GOLINT) ./...
	@echo "VETTING"
	@$(GO_VARS) $(FGT) go vet ./...
	@echo "CONVENTIONAL COMMIT CHECK"
	@$(GOMMIT) check range $(GOMMIT_START_SHA) $$(git log --pretty=format:'%H' -n 1)

.PHONY : run
run: $(OS) ## Runs the app locally
	$(BUILD_DIR)/$(APP_NAME)

.PHONY: docker
docker: linux ## Runs local Docker build of image
	docker build -t $(IMAGE_NAME):$(VERSION) .

.PHONY: help
help: ## Prints this help
	@grep -E '^[^.]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-40s\033[0m %s\n", $$1, $$2}'

# Targets to get some Go tools
$(FGT):
	@$(GO_VARS) go get github.com/GeertJohan/fgt

$(GOLINT):
	@$(GO_VARS) go get golang.org/x/lint/golint

$(GOMMIT):
	@$(GO_VARS) go get github.com/antham/gommit